Weather History for Portsmouth, NH

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Monday, December 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 34 °F -  
Max Temperature 41 °F 38 °F 63 °F (1975)
Min Temperature 28 °F 23 °F -1 °F (1980)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 27 °F    
Average Humidity 80    
Maximum Humidity 92    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 4 mph (WNW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 15, 2014 Rise Set
Actual Time 7:07 AM EST 4:09 PM EST
Civil Twilight 6:35 AM EST 4:41 PM EST
Nautical Twilight 5:59 AM EST 5:17 PM EST
Astronomical Twilight 5:24 AM EST 5:51 PM EST
Moon 12:14 AM EST (12/15) 12:15 PM EST (12/15)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Last Quarter, 39% of the Moon is Illuminated
Dec 15
Last Quarter
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 30.2 °F 25.4 °F 26.2 °F 85% 29.90 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
1:58 AM 29.8 °F 24.9 °F 26.6 °F 88% 29.91 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
2:58 AM 30.0 °F 25.2 °F 26.6 °F 87% 29.91 in 10.0 mi West 4.6 mph - N/A   Clear
3:58 AM 29.3 °F 23.2 °F 25.9 °F 87% 29.93 in 10.0 mi West 5.8 mph - N/A   Clear
4:58 AM 29.3 °F 24.3 °F 25.9 °F 87% 29.95 in 10.0 mi West 4.6 mph - N/A   Clear
5:58 AM 29.3 °F 24.3 °F 25.9 °F 87% 29.97 in 10.0 mi West 4.6 mph - N/A   Clear
6:58 AM 29.3 °F 24.3 °F 25.3 °F 85% 29.98 in 10.0 mi West 4.6 mph - N/A   Clear
7:58 AM 30.6 °F 27.1 °F 26.2 °F 84% 30.01 in 10.0 mi West 3.5 mph - N/A   Clear
8:58 AM 33.4 °F 29.1 °F 27.0 °F 77% 30.03 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
9:58 AM 35.6 °F 31.7 °F 27.3 °F 72% 30.05 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
10:58 AM 38.1 °F 35.7 °F 27.3 °F 65% 30.04 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
11:58 AM 39.9 °F 37.8 °F 27.0 °F 60% 30.04 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
12:58 PM 41.4 °F - 27.9 °F 59% 30.04 in 10.0 mi West 2.3 mph - N/A   Scattered Clouds
1:58 PM 41.2 °F - 26.8 °F 57% 30.05 in 10.0 mi SSE 2.3 mph - N/A   Partly Cloudy
2:58 PM 39.7 °F 34.3 °F 29.5 °F 67% 30.06 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
3:58 PM 37.2 °F 31.2 °F 28.8 °F 71% 30.08 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
4:58 PM 36.1 °F 32.3 °F 28.8 °F 75% 30.09 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
5:58 PM 33.4 °F - 28.2 °F 81% 30.12 in 10.0 mi SSE 2.3 mph - N/A   Clear
6:58 PM 30.4 °F - 27.7 °F 90% 30.14 in 10.0 mi NW 1.2 mph - N/A   Clear
7:45 PM 30.2 °F 26.7 °F 26.6 °F 86% 30.14 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
7:58 PM 28.2 °F - 25.9 °F 91% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:58 PM 29.3 °F 24.3 °F 27.1 °F 92% 30.16 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
9:58 PM 31.3 °F - 28.9 °F 91% 30.16 in 10.0 mi NW 2.3 mph - N/A   Overcast
10:58 PM 32.4 °F 29.1 °F 29.8 °F 90% 30.16 in 10.0 mi NNW 3.5 mph - N/A   Overcast
11:58 PM 32.5 °F 29.3 °F 29.8 °F 90% 30.16 in 10.0 mi NW 3.5 mph - N/A   Overcast